"I believe that exposing children to these health risks without clear evidence of benefits that outweigh these serious risks is not appropriate. Based upon this analysis, I sign this bill into law," Gov. Chris Christie said.

The validity of this marriage will be in doubt because of the law. The ACLU has sued in federal court, contending that the marriage ban in Pennsylvania is unconstitutional. State Attorney General Kathleen Kane has vowed not to defend the discriminatory law.

Illinois Unites for Marriage today announced a revamped campaign to pass freedom to marry legislation in the state, where a bill stalled in the House in the previous session after passing in the Senate.

Maryland Gov. Martin O’Malley (D) inserted himself into the New Jersey governor’s race on Monday, knocking Republican incumbent Chris Christie for vetoing legislation last year that would have allowed same-sex marriages in the Garden State.

"Now that DOMA is gone, New Jersey is, as a matter of law, in direct violation of the New Jersey Supreme Court order we won in 2006 that requires equality for same-sex couples, and in violation of the Equal Protection clause of the federal Constitution."